# USB vs Auscultation assistant

The clearest difference is rating: USB at 2.0 against Auscultation assistant's 1.0. USB also leads on update cadence (every 5 weeks vs every 7 months) and ratings volume (29 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

USB holds the better App Store score, 2.0 against 1.0. That said, the two scores are not equally well evidenced: USB has 29 ratings behind it against 1, so its average is the more settled of the two.

USB ships an update every 5 weeks, Auscultation assistant every 7 months. The most recent releases landed on October 6, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | USB | Auscultation assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (29 ratings)](https://appshunter.io/ios/app/usb-view/id1404195213/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/auscultation-assistant/id6446353587/reviews) |
| Number of ratings | **29** | 1 |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 7 months |
| Monetization | Free | Free |
| Size | 8 MB | 12 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [志强 童](https://appshunter.io/developer/1214909933) | [广东汉泓医疗科技有限公司](https://appshunter.io/developer/1696914316) |

## What reviewers say

### USB

[App page](https://appshunter.io/ios/app/usb-view/id1404195213)

This application connects to WIFI image transmission equipment, enabling wireless image data transfer between cameras and iOS devices. It allows for real-time, free transmission of visuals from anywhere, anytime.

**Highlights:** WIFI image transmission, Wireless connection to iOS devices, Real-time image data transfer, Anytime, anywhere access, Free wireless transmission

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Auscultation assistant

[App page](https://appshunter.io/ios/app/auscultation-assistant/id6446353587)

This utility app helps medical professionals record, store, and recall heart, lung, and other organ sounds. It connects via Bluetooth 5.0 to electronic stethoscopes to capture audio data and device information.

**Highlights:** Record heart, lung, and organ sounds, Store and recall audio recordings, Connects to electronic stethoscopes via Bluetooth 5.0, Captures device serial number and battery status, Transmits audio sampling data streams

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is USB free?

USB is free to download, with no in-app purchases.

### Is Auscultation assistant free?

Auscultation assistant is free to download, with no in-app purchases.

### Which has better reviews, USB or Auscultation assistant?

USB is rated higher. USB averages 2.0 out of 5 from 29 ratings, while Auscultation assistant averages 1.0 from 1 ratings.

### Do USB or Auscultation assistant have ads?

Neither USB nor Auscultation assistant shows ads.

### Which is updated more often, USB or Auscultation assistant?

USB ships an update every 5 weeks, and Auscultation assistant every 7 months. Most recently, USB was updated on October 6, 2026 and Auscultation assistant on September 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*